This system makes it possible to collect the spectra of objects during the atmospheric reentry phase in order to determine their composition.
Any other light source can also be analyzed.
It is a filter holder composed of three parts on which is glued a nano grooved film (500 striae mm2).
Destined to be stuck in front of the lens of your smartphone, it will always be post.
its drawer allows to select or not the filter and will not interfere with the use of the phone or its camera in classic mode.
a parameterizable shim is available (file3) for the projecting lenses.
A mounting and user's manual will soon be available on http://www.savoir-sans-frontieres.com
No problem. No support, no raft, speed 1mm / s 210 °;
the small thickness of the drawer, 1.28mm overall can sometimes be considered too soft. Beyond this thickness, the locking commas are welded to the drawer body; take off with a scalpel if you choose to change the thickness settings.
File1 (shell) is to be printed in duplicate.
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